package net.lzzy.demo.com.itheima.domain;

import net.lzzy.demo.com.itheima.domain.Comment;
import org.apache.ibatis.annotations.*;

@Mapper
public interface CommentMapper {
    @Select("SELECT * FROM t_comment WHERE id=#{id}")
    public Comment findById(Integer id);
    @Insert("INSERT INTO t_commment(content,author,a_id)"+
            "values (#{content},#{author},#{aId})")
    public int insertComment (Comment comment);
    @Update("UPDATE t_comment SET content=#{content} WHERE id=#{id}")
    public int updateComment(Comment comment);
    @Delete("DELETE FROM t_comment WHERE id=#{id}")
    public int deleteComment(Integer id);

}
